Electrophotographic photoconductor and methods therefor
US7449271B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 7, 2004 |
| Grant date | Nov 11, 2008 |
| Priority date | — |
| Expiry date | Sep 12, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/056
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrophotographic photoconductor and method that seldom generate cracks even while recycling a photoconductor drum and peripheral members or in a liquid developing process, and thereby produce excellent images. The electrophotographic photoconductor includes a conductive substrate and a photosensitive layer comprising a charge generation material and a charge transport material. The photosensitive layer comprises a resin binder of polyarylate resin having structural units represented by the following formula (I):In the formula, R1 and R2 represent a hydrogen atom, an alkyl group, a cycloalkyl group, or an aryl group. R1, R2, and a carbon atom bonding to the R1 and R2 together form a cyclic structure. The cyclic structure is bonded to no more than two arylene groups. Each of R3 through R10 being a hydrogen atom, an alkyl group, a fluorine atom, a chlorine atom, and a bromine atom. The values of m and n satisfy the equation 0.5<m/(m+n)<0.7.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.